A word used to point out 9th graders
9er(niner):''Hey, whats up? do u think i could get your e-mail?''
12th grader: ''But you're a 9er''
by me12345 August 3, 2005
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Niner is a versatile word that can basically mean any word that you didn't feel like trying to think of at the moment. It can also be an exclamation, an insult, or a substitute for a name. Alternate spelling: 9er
"Niner!"
"Hey 9er what's up?"
"Hey look at that 9er over there!"
"Could you hand me that niner?"
"Cripes you're such a niner."
"Studies show that these 9ers (point to something) have significant migration during the winter."
by Lauren Shores February 17, 2005
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1. A great amongst greats, a god amongst men-- a member of the San Francisco 49ers, the only team to win at least 10 regular season games for 14 straight years, and one of three teams to win the super bowl five times.

2. a 9mm pistol
1. The incarnation of God on Earth, Joe Montana, was a niner. So was Jerry Rice, Roger Craig, Tom Rathman, Ronnie Lott, John Taylor, Steve Young, and a host of other players. Alex Smith is the niner who will lead the niners back to glory.

2. A cop tried to shoot a niner with a niner, but Joe Montana intervened and saved the niner.
by harry_pothead16to80 September 20, 2006
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A fan of the television show "Star Trek: Deep Space Nine"
Don't call me a Trekkie, I'm a Niner. The rest can die in a fire.
by BlablablablSteve September 2, 2008
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A response to answer any question that you didn't hear, didn't like, or didn't give a fuck about. Can be easily replaced with "nine." Can also be used to describe anything or anyone. "Nine" is the true answer to any numerical question.
Question: Did you get the laundry done?
Answer: niner
-or-

Question: How many cells make up the haman body?
Answer: nine
by benny February 17, 2004
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an eqivalent to the number 9
Person 1:"What's the sqaure root of 81?"
Person 2:"NINER!!"
by Bryan December 13, 2005
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